Learn more

EDWARD LAAS

Overview
  • Total Patents
    21
About

EDWARD LAAS has a total of 21 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States. Its main competitors in its focus markets civil engineering and packaging and shipping are DORPMUELLER HEINRICH, VAUGHAN DAVID FISHER and NIIRANEN JAAKKO.

Patent filings in countries

World map showing EDWARD LAASs patent filings in countries
# Country Total Patents
#1 United States 21

Patent filings per year

Chart showing EDWARD LAASs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Packaging and shipping

Top inventors

# Name Total Patents
#1 Sponenburg Hiram H 17
#2 Bryan Symon R 1
#3 Stewart Andrew B 1
#4 Reinehr John 1
#5 Sponenburg Hiram Hort 1

Latest patents

Publication Filing date Title
US1245631A Door-operating mechanism.
US948023A Rail-laying apparatus.
US843710A Railway rail-stay.
US816947A Railway-rail stay.
US816265A Railway-rail stay.
US806376A Railway-rail stay.
US816946A Railway-rail stay.
US805101A Railroad-rail stay.
US800980A Railway-rail stay.
US799361A Railway-rail stay.
US803251A Railway-rail brace.
US795011A Railway-rail brace.
US806375A Railway-rail stay.
US795010A Railway-rail brace.
US783552A Railway-rail stay.
US783149A Railway-rail stay.
US792800A Railway-rail stay.
US780309A Railway-rail stay.
US779104A Railway-rail stay.
US738499A Railway-rail stay.